メタデータ名 G20493471523
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.9875000 35.0041667, 138.9937500 35.0041667, 138.9937500 35.0083333, 138.9875000 35.0083333, 138.9875000 35.0041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral